from tkinter import *

root = Tk()

root.title("canvas")
root.geometry("600x600")

canvas = Canvas(root, width = 600, height = 600)
canvas.pack()

canvas.create_rectangle(50, 50, 200, 200, fill = 'red')
canvas.create_polygon(400, 50, 300, 200, 550, 200, fill = "blue")
canvas.create_oval(50, 300, 250, 500, fill = "purple")
canvas.create_oval(300, 300, 590, 500, fill = "pink")

root.mainloop()